The Vets Best Cat Condo is made of stainless steel and includes a shelf and a pass-through to the side litter box area. The unit is constructed of 18 gauge 304 stainless steel and includes two heavy duty doors with a one-hand latch system. They can be stacked up to 3 high or may be used on a countertop. Key Features: Stainless steel unit includes a shelf and a pass through to side litter box area Constructed of 18 gauge 304 stainless steel and includes two heavy duty doors with one hand latch system Units can be stacked 3 high or can be used separately on a countertop 36 Long x 24 Deep x 24 High The Cat Condo Cart adds wheels and allow for easy maneuvering. The Cat Condo Cart is sold separately. Three (3) Year Warranty Vets Best 3 Year Warranty Vets Best provides the following 3 Year Limited Warranty to the original retail product purchaser.